Tektronix OA 5000 TV Cables User Manual


 
Appendix G: Product Verification
Appendices
A --- 30
Step 7: Set the dB reference (Disp-->Ref) at the power meter. The
power meter reading should be 0.00 dB within ±0.01 dB.
Step 8: Set the OA 5000 to each of the settings in the table below, and
check that the power meter reads within the listed accuracy limits. At
30 db, note the reading.
Step 9: Set the OA 5000 to 0 dB. Check that the power meter reads
0.00 dB within the repeatability specification (±0.05 dB).
Step 10: Set the OA 5000 to 30 dB. Check that the power meter reads
the same as in step 8, within the repeatability specification (±0.05 dB).
Step 11: If the readings in steps 9 and 10 do n ot meet the repeatability
specifications, check the connections, and repeat steps 7 to 10.
Tab le 4 -4:
A
ttenuation
A
ccuracy at 850 nm
OA 5012 / OA 5022 / OA 5032
Attenuation setting (dB) Tolerance Limits (dB)
10 ---10.20 to ---9.80
20 ---20.20 to ---19.80
30 ---30.20 to ---29.80
40 ---40.20 to ---39.80
50 ---50.20 to ---49.80
60 ---60.20 to ---59.80